Caledonian tick vaccine Infestation scores

These data present infestation score of tick load on cattle during a 3 years tick vaccine trial. Tick counts were achieved during the first year (Y1) and the last year (Y3) of the trial on 20 to 25 cows in each farm (numbered from 1 to 9) involved in this study. Tick counts were carried out at the time of acaricidal treatments.